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From: Luca Coelho <luca@coelho.fi>
To: kvalo@codeaurora.org
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH 01/13] iwlwifi: mvm: consider ieee80211 station max amsdu value
Date: Sat, 12 Oct 2019 19:29:12 +0300
Message-ID: <20191012192536.0e45e69a388a.I1d63567def2526950608f62c88626ef489e18041@changeid> (raw)
In-Reply-To: <20191012162924.19848-1-luca@coelho.fi>

From: Mordechay Goodstein <mordechay.goodstein@intel.com>

debugfs amsdu_len sets only the max_amsdu_len for ieee80211 station
so take it into consideration while getting max amsdu

Fixes: af2984e9e625 ("iwlwifi: mvm: add a debugfs entry to set a fixed size AMSDU for all TX packets")
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 8 +++++++-
 drivers/net/wireless/intel/iwlwifi/mvm/tx.c    | 7 ++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index 8f50e2b121bd..098d48153a38 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -350,7 +350,13 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
 		u16 size = le32_to_cpu(notif->amsdu_size);
 		int i;
 
-		if (WARN_ON(sta->max_amsdu_len < size))
+		/*
+		 * In debug sta->max_amsdu_len < size
+		 * so also check with orig_amsdu_len which holds the original
+		 * data before debugfs changed the value
+		 */
+		if (WARN_ON(sta->max_amsdu_len < size &&
+			    mvmsta->orig_amsdu_len < size))
 			goto out;
 
 		mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 8a059da7a1fa..e3b2a2bf3863 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -935,7 +935,12 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 	    !(mvmsta->amsdu_enabled & BIT(tid)))
 		return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb);
 
-	max_amsdu_len = iwl_mvm_max_amsdu_size(mvm, sta, tid);
+	/*
+	 * Take the min of ieee80211 station and mvm station
+	 */
+	max_amsdu_len =
+		min_t(unsigned int, sta->max_amsdu_len,
+		      iwl_mvm_max_amsdu_size(mvm, sta, tid));
 
 	/*
 	 * Limit A-MSDU in A-MPDU to 4095 bytes when VHT is not
-- 
2.23.0


  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-12 16:29 [PATCH 00/13] iwlwifi: updates intended for v5.5 2019-10-12-2 Luca Coelho
2019-10-12 16:29 ` Luca Coelho [this message]
2019-10-12 16:29 ` [PATCH 02/13] iwlwifi: mvm: add support for new version for D0I3_END_CMD Luca Coelho
2019-10-12 16:29 ` [PATCH 03/13] iwlwifi: mvm: remove leftover rs_remove_sta_debugfs() prototype Luca Coelho
2019-10-12 16:29 ` [PATCH 04/13] iwlwifi: mvm: use the new session protection command Luca Coelho
2019-10-12 16:29 ` [PATCH 05/13] iwlwifi: dbg: prefer struct copy to memcpy() Luca Coelho
2019-10-16  7:11   ` Kalle Valo
2019-10-18  8:19     ` Luca Coelho
2019-10-12 16:29 ` [PATCH 06/13] iwlwifi: mvm: fix old-style declaration Luca Coelho
2019-10-12 16:29 ` [PATCH 07/13] iwlwifi: mvm: add notification for missed VAP Luca Coelho
2019-10-12 16:29 ` [PATCH 08/13] iwlwifi: dbg_ini: add user trigger support Luca Coelho
2019-10-12 16:29 ` [PATCH 09/13] iwlwifi: dbg_ini: use vzalloc to allocate dumping memory regions Luca Coelho
2019-10-12 16:29 ` [PATCH 10/13] iwlwifi: mvm: create function to convert nl80211 band to phy band Luca Coelho
2019-10-12 16:29 ` [PATCH 11/13] iwlwifi: mvm: Invert the condition for OFDM rate Luca Coelho
2019-10-12 16:29 ` [PATCH 12/13] iwlwifi: nvm: create function to convert channel index to nl80211_band Luca Coelho
2019-10-12 16:29 ` [PATCH 13/13] iwlwifi: rx: use new api to get band from rx mpdu Luca Coelho

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